<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <style>
    div {
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
    }
  </style>
</head>

<body style="height:2000px">
  <div style="background:#aef;text-align:center">Прокрутите меня...</div>
</body>

</html>